with means for taking account of delayed calls

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Patents Grantslast 30 patents

Information Patent Grant
Elevator car and door motion monitoring
- Patent number 11,767,194
- Issue date Sep 26, 2023
- Otis Elevator Company
- Tadeusz Pawel Witczak
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for controlling an elevator
- Patent number 5,012,899
- Issue date May 7, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Shigemi Iwata
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3645361
- Patent number 3,645,361
- Issue date Feb 29, 1972
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3506094
- Patent number 3,506,094
- Issue date Apr 14, 1970
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3382951
- Patent number 3,382,951
- Issue date May 14, 1968
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2814027
- Patent number 2,814,027
- Issue date Nov 19, 1957
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2771160
- Patent number 2,771,160
- Issue date Nov 20, 1956
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2619592
- Patent number 2,619,592
- Issue date Nov 25, 1952
- B66 - HOISTING LIFTING HAULING